1.Concrete screws, steel screws 2.Material:Carbon steel 3.Size:7.5*52mm---7.5*212mm 4.Color:Zinc,yellow zinc "sh-hengchuan hardware" Make Your Max SatisfactionProduct details charaters:1.Item No.: L112.Material: Carton steel 3.Type: Concrete screws, steel screws4.Size: 7.5*52mm---7.5*212mm5.Usage: Available for steel board6.Color: Zinc, yellow zinc7. Package: 100 pcs into one inner box, 1000 pcs ...